A Dalit candidate, she will face another Dalit candidate, Ram Nath Kovind who was nominated by ruling NDA.
Interestingly, Kovind has already started his Presidential campaign from Uttar Pradesh.
In a separate but related development, Meira Kumar on Monday made her debut on social networking site Twitter, days after her nomination as the opposition presidential candidate.
Kumar, who will file her nomination for the top constitutional post on Wednesday, made a few posts on Twitter and had around three thousand followers.
"Eid Mubarak! Joy, peace and prosperity to all," she said through her handle @meira_kumar.
In the other tweet, Kumar asked people to follow her on her official Facebook account for updates on the presidential election.
You can also follow me on Facebook for updates on the Presidential Poll.https://t.co/wKbtjLp3mn
— Meira Kumar (@meira_kumar) June 26, 2017
There are 313 million active Twitter users, of which 82 per cent log in through mobile phones.
(With inputs from PTI)